<div class="section">
    <div class="row">
        <div class="col-xs-6 col-sm-6 color-5">更新：{{book.publish_timestamp|friendly_time}}</div>
    </div>
</div>

<div class="section">
    <h5 class="section-title">简介</h5>
    <div class="info-group">
        {%if book.brief%}
        {{book.brief}}
        {%else%}
        (无)
        {%endif%}
    </div>
</div>


